Geometry Basics

quadrilateral

• A polygon with four sides

• A polygon with three sides

• A polygon with five sides

• A polygon with six sides

rhombus

• A quadrilateral with opposite angles equal

• A parallelogram with four equal sides

• A triangle with all sides equal

• A rectangle with equal diagonals

vertex

• The shared endpoint of an angle.

• A type of polygon.

• The longest side of a triangle.

• A point where two lines meet.

angle

• The space between two lines

• A type of triangle

• A measure of rotation

• A straight line

parallel sides

• Two sides that are always the same distance apart

• Two sides that intersect at a right angle

• Two sides that meet at a point

• Two sides that are of different lengths

Polygon

• A closed, two-dimensional shape with three or more sides.

• A type of triangle with equal sides.

• A three-dimensional shape with four faces.

• A line segment that connects two points.

trapezoid

• A quadrilateral with exactly one pair of parallel sides

• A polygon with four equal sides

• A three-sided figure

• A quadrilateral with no parallel sides

parallelogram

• A quadrilateral with two pairs of parallel sides

• A triangle with equal sides

• A rectangle with unequal angles

• A shape with no parallel sides

rectangle

• A shape with all sides equal in length.

• A parallelogram with four right angles.

• A three-dimensional shape with six faces.

• A shape with only two sides.

What is a side?

• A straight line that helps to form a shape.

• A curved line that connects two points.

• A point where two lines meet.

• A color used to fill a shape.